ESP-WROOM-32 ESP32S
Powerful microcontroller for most DIY projects including relay and lighting control, bluetooth sensors, and more. Powerful combination with Home Assistant and ESPHome. The ESP32 integrated with Antenna switches, RF Balun, power amplifiers, low-noise amplifiers, filters, and management modules, and the entire solution occupies the least area of PCB. 2.4 GHz Wi-Fi plus Bluetooth dual-mode chip, with TSMC Ultra-low power consumption 40nm technology, power dissipation performance and RF performance is the best, safe and reliable, easy to extend to a variety of applications
Features
- 2.4GHz Dual Mode WiFi + Bluetooth Development Board
- Support LWIP protocol, Freertos
- Supports Three Modes: AP, STA, and AP+STA
- Ultra-Low power consumption, Compatible with Arduino IDE
- The ESP32 is dual core, this means it has 2 processors
- 512 kB RAM
- This particular board has 30 or 36 pins, 15 in each row.
ESP32 Mini

- Power supply voltage: DC 5V (USB)
- Input/Output voltage: DC 3.3V
- I/O Pins: 34
- SRAM: 520KB External Flash
ESP8266 ESP-01

- Serial/UART baud rate: 115200 bps
- Input power: 3.3V
- I/O voltage tolerance: 3.6V Max
- Flash Memory Size: 1MB (8Mbit)
- WiFi security modes: WPA, WPA2
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